What is Spray-up?
Spray-up is a manufacturing process that involves spraying a mixture of resin and fibers onto a mold or substrate to create a strong and lightweight part. The process is often used to create large, complex parts with high strength-to-weight ratios.
How does Spray-up work?
The Spray-up process involves the following steps:
- Material preparation: A mixture of resin and fibers is prepared and fed into a spray gun.
- Spraying: The mixture is sprayed onto a mold or substrate using high pressure.
- Layering: The mixture is layered onto the mold or substrate to achieve the desired thickness and shape.
- Curing: The part is then cured in an oven or using a catalyst to create a strong and durable bond between the fibers and resin.
Advantages of Spray-up
- High strength-to-weight ratio: Spray-up parts exhibit a high strength-to-weight ratio, making them ideal for applications where weight reduction is critical.
- Improved impact resistance: Spray-up parts have improved impact resistance compared to traditional materials.
- Corrosion resistance: Spray-up parts are resistant to corrosion and can withstand harsh environments.
- Increased design flexibility: Spray-up allows for complex geometries and designs that would be difficult or impossible to achieve with traditional manufacturing processes.
Applications of Spray-up
- Marine industry: Spray-up parts are used in the marine industry for applications such as boat hulls, decks, and superstructures.
- Aerospace industry: Spray-up parts are used in the aerospace industry for lightweight components, such as aircraft structures and interior panels.
- Industrial equipment: Spray-up parts are used in industrial equipment, such as tanks, pipes, and valves.
Recommended Products
| Product Code | Product Features | Typical Application |
|---|---|---|
176 | Good runnability for spraying operation, larger dispersion area in spraying, slower wet-out, less slide on vertical surfaces, suitable for production of large parts | Swimming pools, storage tanks, boats & yachts |
| 180 | Good runnability for spraying operation, moderate wet-out speed, easy roll-out, easy removal of bubbles，no spring back in sharp angles, excellent mechanical properties and hydrolytic resistance in parts, suitable for high-speed spray-up process with robots | Sanitary ware, FRP hulls, auto parts, chemical storage tanks |
| 180K | Fast wet-out,ideal for products with small surface | Bathtubs |
